Deep fryer



FIG. 1 is a top, front, and right side perspective view of a deep fryer showing our new design;

FIG. 2 is a top rear perspective view thereof;

FIG. 3 is a top front perspective view thereof in an open condition;

FIG. 4 is a left side elevational view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a deep fryer, as shown. 